# ACalcM vs ATR 72

The clearest difference is in-app purchases: ATR 72 at none against ACalcM's 1. ATR 72 also leads on iOS requirement (13.0 vs 17.4). ACalcM's advantage is update cadence (every 4 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. ACalcM sells 1 one-off in-app purchase. ATR 72 asks for nothing beyond the download.

ACalcM ships an update every 4 days, ATR 72 every 2 months. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | ACalcM | ATR 72 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (26 ratings)](https://appshunter.io/ios/app/acalcm/id605657598/reviews)** | — |
| Number of ratings | **26** | — |
| Positive reviews | 90.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 4 days** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 20 MB | 43 MB |
| Requires iOS | 17.4 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Asoft.iOS](https://appshunter.io/developer/562152712) | [Hasan OZKAN](https://appshunter.io/developer/1823377462) |

## What reviewers say

### ACalcM

[App page](https://appshunter.io/ios/app/acalcm/id605657598)

This calculator app enhances standard functionality with an editable list to track numbers and operators. It allows for easy modification of entries, row insertion, and calculation sharing via email. Advanced features include memory functions, rounding options, and design customization.

**Highlights:** Editable calculation list, Memory function, Row insert function, Email calculation results, Rounding function, Design customization

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |


### ATR 72

[App page](https://appshunter.io/ios/app/atr-72/id6742436826)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ACalcM free?

ACalcM is free to download, with in-app purchases available.

### Is ATR 72 free?

ATR 72 is free to download, with no in-app purchases.

### Do ACalcM or ATR 72 have ads?

Both ACalcM and ATR 72 show ads.

### Which is updated more often, ACalcM or ATR 72?

ACalcM ships an update every 4 days, and ATR 72 every 2 months. Most recently, ACalcM was updated on October 29, 2026 and ATR 72 on October 28, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*